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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/platform/x86/intel/smartconnect.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/platform/x86/intel/smartconnect.c')
-rw-r--r-- | drivers/platform/x86/intel/smartconnect.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/platform/x86/intel/smartconnect.c b/drivers/platform/x86/intel/smartconnect.c new file mode 100644 index 0000000000..64c2dc9347 --- /dev/null +++ b/drivers/platform/x86/intel/smartconnect.c @@ -0,0 +1,44 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2013 Matthew Garrett <mjg59@srcf.ucam.org> + */ + +#include <linux/acpi.h> +#include <linux/module.h> + +MODULE_LICENSE("GPL"); + +static int smartconnect_acpi_init(struct acpi_device *acpi) +{ + unsigned long long value; + acpi_status status; + + status = acpi_evaluate_integer(acpi->handle, "GAOS", NULL, &value); + if (ACPI_FAILURE(status)) + return -EINVAL; + + if (value & 0x1) { + dev_info(&acpi->dev, "Disabling Intel Smart Connect\n"); + status = acpi_execute_simple_method(acpi->handle, "SAOS", 0); + } + + return 0; +} + +static const struct acpi_device_id smartconnect_ids[] = { + {"INT33A0", 0}, + {"", 0} +}; +MODULE_DEVICE_TABLE(acpi, smartconnect_ids); + +static struct acpi_driver smartconnect_driver = { + .owner = THIS_MODULE, + .name = "intel_smart_connect", + .class = "intel_smart_connect", + .ids = smartconnect_ids, + .ops = { + .add = smartconnect_acpi_init, + }, +}; + +module_acpi_driver(smartconnect_driver); |